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A Comparison of Permanent and Rotation Pastures for Producing Meat Animals

University of Illinois

Abstract

Four 10-acre fields on the University of Illinois farm are affording an excellent opportunity to study the comparative value of permanent and rotation pastures in livestock production. Incidentally, they are also yielding valuable information on the relative profitableness of livestock and grain farming over a period of years, but that phase is beyond the scope of this paper.

The farm of which these fields were formerly a part was purchased by the University in 1927 and had been operated as a grain farm for many years with little or no attention to soil conservation. A 40-acre tract assigned to the Animal Husbandry Department for a project entitled "Rotation for Livestock Farms" had been in corn in 1927 and was replanted to corn in 1928 to obtain information on the relative productiveness of the four 10-acre strips into which the field was to be divided. Two tons of limestone and 1,000 pounds of rock phosphate per acre were applied to the entire 40 acres early in 1929; also during the past 12 years cattle manure has been applied to some of the fields in amounts bearing a definite ration to the total yield of grain during the previous rotation period.